misc/144313: ld cant find libs in /usr/local/lib but ldconfig can
Oscar Norlander
oscar.norlander at gmail.com
Fri Feb 26 07:50:02 UTC 2010
>Number: 144313
>Category: misc
>Synopsis: ld cant find libs in /usr/local/lib but ldconfig can
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Fri Feb 26 07:50:01 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator: Oscar Norlander
>Release: FreeBSD 8
>Organization:
>Environment:
FreeBSD freebsd1.localdomain 8.0-RELEASE-p2 FreeBSD 8.0-RELEASE-p2 #0: Tue Jan 5 21:11:58 UTC 2010 root at amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64
>Description:
The problem is that ld can not find libraries in /usr/local/lib even if ldconfig can. For example:
ldconfig -r | grep event
107:-levent-1.4.3 => /usr/local/lib/libevent-1.4.so.3
108:-levent_core-1.4.3 => /usr/local/lib/libevent_core-1.4.so.3
109:-levent_extra-1.4.3 => /usr/local/lib/libevent_extra-1.4.so.3
The last rows of the next printout is intersesting because they show that /usr/local/lib is not even searched by ld:
ld --verbose -l event
GNU ld version 2.15 [FreeBSD] 2004-05-23
Supported emulations:
elf_i386_fbsd
elf_x86_64_fbsd
using internal linker script:
==================================================
/* Script for -z combreloc: combine and sort reloc sections */
OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64",
"elf64-x86-64")
OUTPUT_ARCH(i386:x86-64)
ENTRY(_start)
SEARCH_DIR("/lib"); SEARCH_DIR("/usr/lib");
/* Do we need any of these for elf?
__DYNAMIC = 0; */
SECTIONS
{
/* Read-only sections, merged into text segment: */
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.rel.plt : { *(.rel.plt) }
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.init :
{
KEEP (*(.init))
} =0x90909090
.plt : { *(.plt) }
.text :
{
*(.text .stub .text.* .gnu.linkonce.t.*)
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
} =0x90909090
.fini :
{
KEEP (*(.fini))
} =0x90909090
PROVIDE (__etext = .);
PROVIDE (_etext = .);
PROVIDE (etext = .);
.rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
.rodata1 : { *(.rodata1) }
.eh_frame_hdr : { *(.eh_frame_hdr) }
/* Adjust the address for the data segment. We want to adjust up to
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. = ALIGN (0x100000) - ((0x100000 - .) & (0x100000 - 1)); . = DATA_SEGMENT_ALIGN (0x100000, 0x1000);
/* Ensure the __preinit_array_start label is properly aligned. We
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the linker would then create the section even if it turns out to
be empty, which isn't pretty. */
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PROVIDE (__preinit_array_start = .);
.preinit_array : { *(.preinit_array) }
PROVIDE (__preinit_array_end = .);
PROVIDE (__init_array_start = .);
.init_array : { *(.init_array) }
PROVIDE (__init_array_end = .);
PROVIDE (__fini_array_start = .);
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PROVIDE (__fini_array_end = .);
.data :
{
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SORT(CONSTRUCTORS)
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.tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
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.eh_frame : { KEEP (*(.eh_frame)) }
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.ctors :
{
/* gcc uses crtbegin.o to find the start of
the constructors, so we make sure it is
first. Because this is a wildcard, it
doesn't matter if the user does not
actually link against crtbegin.o; the
linker won't look for a file to match a
wildcard. The wildcard also means that it
doesn't matter which directory crtbegin.o
is in. */
KEEP (*crtbegin*.o(.ctors))
/* We don't want to include the .ctor section from
from the crtend.o file until after the sorted ctors.
The .ctor section from the crtend file contains the
end of ctors marker and it must be last */
KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
}
.dtors :
{
KEEP (*crtbegin*.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
}
.jcr : { KEEP (*(.jcr)) }
.got : { *(.got.plt) *(.got) }
_edata = .;
PROVIDE (edata = .);
__bss_start = .;
.bss :
{
*(.dynbss)
*(.bss .bss.* .gnu.linkonce.b.*)
*(COMMON)
/* Align here to ensure that the .bss section occupies space up to
_end. Align after .bss to ensure correct alignment even if the
.bss section disappears because there are no input sections. */
. = ALIGN(64 / 8);
}
. = ALIGN(64 / 8);
_end = .;
PROVIDE (end = .);
. = DATA_SEGMENT_END (.);
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
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.stab.excl 0 : { *(.stab.excl) }
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/* DWARF debug sections.
Symbols in the DWARF debugging sections are relative to the beginning
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/* DWARF 2 */
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/* SGI/MIPS DWARF 2 extensions */
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/DISCARD/ : { *(.note.GNU-stack) }
}
==================================================
attempt to open /usr/bin/../libdata/libevent.so failed
attempt to open /usr/bin/../libdata/libevent.a failed
attempt to open /lib/libevent.so failed
attempt to open /lib/libevent.a failed
attempt to open /usr/lib/libevent.so failed
attempt to open /usr/lib/libevent.a failed
ld: cannot find -levent
>How-To-Repeat:
I have 2 newly installed FreeBSD 8 systems with the latest and greatest updates and libevent installed from ports and none of the systems can find any libs in /usr/local/lib. If you search the FreeBSD community forum you can find many similar cases all involving problems with finding libs in /usr/local/lib.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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